Percona Server 5.6.13-61.0 首个 GA 版本发布
Percona Server 5.6 的首个 GA 版本发布了,版本号是 5.6.13-61.0 ,该版本基于 MySQL 5.6.13
改进内容包括:
New Features:
- Percona Server has implemented a number of XtraDB Performance Improvements for high-concurrency scenarios.
- Percona Server has implemented a number of performance improvements for Page cleaner thread tuning. This feature fixes the upstream bugs: #69170 (#1231918), #70453 (#1232101) and #68481 (#1232406).
ALL_O_DIRECT
method for innodb_flush_method has been ported from Percona Server 5.5.- Statement Timeout feature has been ported from the Twitter branch.
- Percona Server has extended the
SELECT INTO ... OUTFILE
andSELECT INTO DUMPFILE
to add the support for UNIX sockets and named pipes.
Bugs Fixed:
- Due to an incompatible upstream change that went unnoticed, the page cleaner thread would attempt to replay any file operations it encountered. In most cases this were a no-op, but there were race conditions for certain
DDL
operations that would have resulted in server crash. Bug fixed #1217002. apt-get upgrade
of Percona Server would fail in post-installation step if server failed to start. Bug fixed #1002500.- Percona Server 5.6 now ships with memcached plugins. Bug fixed #1159621.
- Fixed the
libssl.so.6
dependency issues in binary tarballs releases. Bug fixed #1172916. - Error in
install_layout.cmake
could cause that some library files, during the build, end up in different directories onx86_64
environment. Bug fixed #1174300. - Server would crash if empty string was passed to
AES_ENCRYPT
when older OpenSSL version was used. Upstream bug fixed #70489, bug fixed #1201033. - Kill Idle Transactions feature didn’t work correctly if Thread Pool was enabled. Bug fixed #1201440.
- Percona Server 5.6.12-60.4 would crash if server was started with Thread Pool feature enabled. Bugs fixed #1201681, #1194097 and #1201442.
- Memory leak was introduced by the fix for bug #1132194. Bug fixed #1204873.
- A server could have crashed under a heavy I/O-bound workload involving compressed InnoDB tables. Bug fixed #1224432.
- A potential deadlock, involving
DDL
,SELECT
,SHOW ENGINE INNODB STATUS
, andKILL
, has been fixed. Fixed the upstream bug #60682, bug fixed #1115048. - A memory leak in Utility user feature has been fixed. Bug fixed #1166638.
- A server could crash due to a race condition between a INNODB_CHANGED_PAGES query and bitmap file delete by
PURGE CHANGED_PAGE_BITMAP
or directly on the file system. Bug fixed #1191580. - Percona Server could not be built with Thread Pool feature and
-DWITH_PERFSCHEMA_ENGINE=OFF
option. Bug fixed #1196383. - Page cleaner should perform LRU flushing regardless of server activity. Fixed the upstream bug #70500, bug fixed #1234562.
- Fixed the upstream bug #64556 which could cause an unrelated warning to be raised if a query inside InnoDB was interrupted. Bug fixed #1115158.
Other bugs fixed: bug fixed #1131949, bug fixed #1191589, bug fixed #1229583, upstream bug fixed #70490 bug fixed #1205196,upstream bug fixed #70417 bug fixed #1230220.
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